<template>


  <view class="cart-container" v-if="cart.length !==0">



    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>

    <!-- 循环渲染购物车中的商品信息 -->
    <uni-swipe-action>
      <block v-for="(goods, i) in cart" :key="i">
        <!-- options是旧版的写法，我使用的是新版，要用right-options代替 -->
        <uni-swipe-action-item :right-options="options" @click="swipeItemClickHandler(goods)">
          <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler"
            @num-change="numberChangeHandler"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>

    <my-settle></my-settle>
  </view>

<!-- 空白购物车区域 -->
<view class="empty-cart" v-else>
   <image src="/static/cart_empty@2x.png" class="empty-img"></image>
      <text class="tip-text">空空如也~</text>
</view>
</template>

<script>
  import {
    mapState,
    mapMutations,
    mapGetters
  } from 'vuex'

  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    computed: {
      ...mapGetters('m_cart', ['total']),
      ...mapState('m_cart', ['cart']),
     
    },
    onShow() {

    },
    data() {
      return {
        options: [{
          text: '删除', // 显示的文本内容
          style: {
            backgroundColor: '#C00000' // 按钮的背景颜色
          }
        }]
      }
    },
    methods: {
      ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),

      radioChangeHandler(e) {
        this.updateGoodsState(e)
      },
      numberChangeHandler(e) {
        // console.log(e)
        this.updateGoodsCount(e)
      },
      swipeItemClickHandler(goods) {
        this.removeGoodsById(goods.goods_id)
      }

    }
  }
</script>

<style lang="scss">
  .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;

    border-bottom: 1px solid #efefef;

    .cart-title-text {
      margin-left: 10px;
    }
  }

  .cart-container {
    padding-bottom: 50px;
  }
  .empty-cart{
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 200px;
    .empty-img{
      width: 90px;
      height: 90px;
    }
    .tip-text{
      font-size: 15px;
      color: gray;
      margin-top: 20px;
      font-style: v-bind();
    }
  }
</style>
